.page-news {
  --news-gutter: 20px;
  --news-hair: 1px solid var(--line-800);
}

/* ---------- 首屏 ---------- */
.page-news .news-masthead {
  position: relative;
  overflow: hidden;
  border-bottom: var(--news-hair);
  background: linear-gradient(168deg, var(--night-900) 0%, var(--ink-950) 72%);
}

.page-news .news-masthead-media {
  position: absolute;
  inset: 0;
  margin: 0;
  z-index: 0;
}

.page-news .news-masthead-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
  filter: saturate(1.05) contrast(1.06);
}

.page-news .news-masthead::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(5, 7, 14, 0.42) 0%, rgba(5, 7, 14, 0.82) 58%, var(--ink-950) 100%),
    linear-gradient(96deg, rgba(53, 224, 212, 0.14) 0%, rgba(5, 7, 14, 0) 46%);
}

.page-news .news-masthead-inner {
  position: relative;
  z-index: 2;
  padding-top: 26px;
  padding-bottom: 46px;
}

.page-news .news-masthead-title {
  margin: 14px 0 0;
  font-size: clamp(30px, 8.4vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.page-news .news-masthead-lede {
  margin-top: 18px;
  color: var(--text-100);
}

.page-news .news-masthead-facts {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.page-news .news-masthead-facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 14px;
  border: 1px solid var(--line-800);
  border-radius: var(--radius);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
}

.page-news .news-masthead-facts .stat-num {
  color: var(--cyan-200);
}

/* ---------- 本期看点 ---------- */
.page-news .news-hl-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-news .news-hl-side {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-news .news-hl {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 18px;
  border: var(--news-hair);
  border-radius: var(--radius);
  background: var(--night-900);
}

.page-news .news-hl h3 {
  margin: 0;
  font-size: 19px;
  line-height: 1.42;
  letter-spacing: -0.01em;
}

.page-news .news-hl p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--text-400);
}

.page-news .news-hl--lead {
  position: relative;
  padding: 24px 20px 26px;
  border-radius: var(--radius-lg);
  border-color: var(--line-800);
  background:
    radial-gradient(126% 108% at 0% 0%, rgba(53, 224, 212, 0.2), rgba(11, 18, 36, 0) 58%),
    var(--night-900);
  justify-content: space-between;
}

.page-news .news-hl--lead h3 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(27px, 7vw, 40px);
  line-height: 1.18;
  letter-spacing: -0.01em;
}

.page-news .news-hl--lead p {
  color: var(--text-100);
  font-size: 16px;
  line-height: 1.75;
}

.page-news .news-hl-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan-400);
}

.page-news .news-hl-side .news-hl-num {
  color: var(--magenta-500);
}

.page-news .news-hl-scope {
  margin: 0;
  padding-top: 10px;
  border-top: 1px dashed var(--line-800);
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-400);
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
}

/* ---------- 条目列表 ---------- */
.page-news .news-ledger-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-news .news-scale-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  position: relative;
}

.page-news .news-scale-list::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 18px;
  bottom: 18px;
  width: 1px;
  background: var(--line-800);
}

.page-news .news-scale-item {
  position: relative;
}

.page-news .news-scale-link {
  display: block;
  position: relative;
  padding: 10px 12px 12px 28px;
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--text-100);
  transition: background 0.2s var(--ease);
}

.page-news .news-scale-link::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 17px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink-950);
  border: 1px solid var(--line-800);
  transition: background 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-news .news-scale-link:hover,
.page-news .news-scale-link:focus-visible {
  background: rgba(26, 36, 64, 0.6);
}

.page-news .news-scale-link.is-current::before {
  background: var(--cyan-400);
  border-color: var(--cyan-400);
  box-shadow: 0 0 0 4px rgba(53, 224, 212, 0.16);
}

.page-news .news-scale-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan-400);
}

.page-news .news-scale-name {
  display: block;
  margin-top: 3px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-news .news-scale-note {
  display: block;
  margin-top: 3px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-400);
}

.page-news .news-scale .note {
  margin-top: 16px;
}

.page-news .news-group {
  margin-bottom: 36px;
}

.page-news .news-group:last-child {
  margin-bottom: 0;
}

.page-news .news-group-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--line-800);
}

.page-news .news-group-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-100);
}

.page-news .news-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .news-entry {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 0 12px;
  padding: 18px 0;
  border-bottom: var(--news-hair);
}

.page-news .news-entry:last-child {
  border-bottom-color: transparent;
}

.page-news .news-entry-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--text-400);
  padding-top: 4px;
}

.page-news .news-entry-tags {
  margin: 0 0 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-news .news-entry-title {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.42;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-news .news-entry-sum {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--text-400);
  max-width: 34em;
}

.page-news .news-entry-thumb {
  margin: 14px 0 4px;
  border-radius: var(--radius);
  aspect-ratio: 8 / 5;
  overflow: hidden;
}

.page-news .news-entry-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .news-entry .expand-item {
  margin-top: 12px;
}

.page-news .expand-trigger[aria-expanded="false"] + .expand-panel {
  display: none;
}

.page-news .news-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-news .news-points li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-400);
}

.page-news .news-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan-400);
}

.page-news .news-points a {
  color: var(--cyan-200);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 专题系列 ---------- */
.page-news .news-series-cover {
  margin: 0 0 22px;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-news .news-series-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-news .news-series-item {
  position: relative;
  padding: 20px 18px 20px 22px;
  border: var(--news-hair);
  border-radius: var(--radius);
  background: var(--night-900);
  overflow: hidden;
}

.page-news .news-series-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
}

.page-news .news-series-item--cyan::before {
  background: linear-gradient(180deg, var(--cyan-400), rgba(53, 224, 212, 0.1));
}

.page-news .news-series-item--magenta::before {
  background: linear-gradient(180deg, var(--magenta-500), var(--amber-400));
}

.page-news .news-series-code {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--text-400);
}

.page-news .news-series-item--cyan .news-series-code {
  color: var(--cyan-400);
}

.page-news .news-series-item--magenta .news-series-code {
  color: var(--magenta-500);
}

.page-news .news-series-name {
  margin: 8px 0 8px;
  font-size: 19px;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.page-news .news-series-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--text-400);
  max-width: 32em;
}

/* ---------- 回看方式 ---------- */
.page-news .news-guide-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-news .news-guide-links {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: var(--news-hair);
  font-size: 14px;
  line-height: 1.9;
  color: var(--text-400);
  max-width: 34em;
}

.page-news .news-guide-links a {
  color: var(--cyan-200);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .news-guide-group .expand-panel p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--text-400);
  max-width: 34em;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .news-masthead-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-hl-side {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .news-series-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .news-entry {
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 0 18px;
  }
}

@media (min-width: 900px) {
  .page-news .news-masthead-inner {
    padding-top: 34px;
    padding-bottom: 64px;
  }

  .page-news .news-hl-grid {
    grid-template-columns: 5fr 7fr;
    gap: var(--gap);
  }

  .page-news .news-ledger-grid {
    grid-template-columns: minmax(200px, 264px) minmax(0, 1fr);
    gap: var(--gap);
  }

  .page-news .news-scale {
    position: sticky;
    top: calc(var(--topbar-h) + 20px);
    align-self: start;
  }

  .page-news .news-guide-grid {
    grid-template-columns: 5fr 7fr;
    gap: var(--gap);
  }
}

@media (min-width: 1100px) {
  .page-news .news-entry {
    grid-template-columns: 56px minmax(0, 1fr);
  }

  .page-news .news-entry-title {
    font-size: 20px;
  }
}